A patient with neuroendocrine carcinoma of the urinary bladder and paraneoplastic degenerative parencephalitis: A case report and review of the literature

Neuroendocrine carcinomas of the bladder (small cell, large cell, typical and atypical carcinoids) are rare and usually co exist with urothelial carcinoma. As in small cell carcinoma of the lung, various paraneoplastic neurologic disorders can occur although they are even less frequent. Here we report the case of a 63 year old man with small cell carcinoma of the urinary bladder and with a paraneoplastic neurologic disorder.